Networking is the art of connecting two or more devices together so that they can communicate with each other.

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Disable Lan wired- arch linux

I want to disable the Network interface: enp8s0 (r8169). I dont it to work not know and not after reboot. this takes me battery life..and I dont use wired Network at all. how can I disable it on arch ...
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26 views

Setting up a preferred network interface in linux

I need to set up the network interfaces of a linux box running Ubuntu Server. The box will be deployed in an industrial vehicle and will operate headless (i.e. no monitor, no keyboard/mouse). The ...
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1answer
31 views

Setup Switch HP 1810-8G - Internet connection with several VLANs

I'm newby to this, indulge me. We bought a new HP switch with VLAN. The goal is to have two separate VLANs. The first port is for the router/internet connection. I've two groups ( A, B ) using the ...
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0answers
11 views

How can I limit connections from any IPs but localhost using xinetd?

There is a xinetd service. Users connect to it from their workstations. How can I limit them to use only one connection per IP, but keep unlimited connections from localhost? I know there is ...
1
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1answer
9 views

How can I debug IOZONE over the network?

I'm working on a mac and I have a vm running ubuntu server. I created a file vm_client.iozone that looks like: vm /path/to/test /usr/bin/iozone I have configured iozone to work over ssh using ...
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2answers
17 views

How to wait for 3 mints if the n/w got disconnected while copying in Rsync without failing using perl script?

I have to transfer 2-3 GB using Rsync.Everything is working fine, but my network got disconnected sometimes, and the entire process got failed. I want to retry it for the network for every 3 mints, ...
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1answer
42 views

How do I create subnets given these constraints?

I am trying to tackle the following subnetting problem: Prepare subnetting for an organization that requires 2000 hosts to be placed on the network. The maximum number of hosts on a subnetwork is 300. ...
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1answer
53 views

Is there a way to send all the web traffic through a proxy without using ddwrt in an Asus router?

Im about to buy an Asus RT-N10U B router. I need to know whether I can use it to pass all the traffic through my proxy server without flashing ddwrt into it?
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1answer
41 views

When using internet sharing on my Mac, one specific game on my phone does not work

I have just turned on internet sharing on my iMac so my phone can connect to the internet via my iMac (there is only one ethernet connection in this hotel, and no 3/4G). When I try opening Google, ...
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2answers
44 views

How do I manage two internet lines going into one router at home? [closed]

I have a normal home WiFi network with some 10-15 devices connected. I have one regular use 2Mbps ADSL internet source and one high-speed 50Mbps cable line. I don't need to use both simultaneously, as ...
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2answers
45 views

Why do the packets intended for other computers on a local network not saturate our bandwidth?

On a Unix or Linux computer we can run the iftop command and monitor the packets of all the other computers on our local network. Why does this not completely saturate the bandwidth of our connection? ...
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4answers
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How does HTTP become stateless?

HTTP is said to be stateless. Meaning, it doesn’t need to store information for the transmission of data. But HTTP uses TCP, which is state oriented. If that's the case, how does HTTP becomes ...
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3answers
75 views
+50

How can I log bandwidth used and throttle speeds on Windows home network?

I am researching a mobile satellite internet solution (I know it's terrible, I have my reasons). The plans are slow and they have harsh bandwidth limits. I'm a single user that is spoiled by home and ...
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0answers
19 views

What exactly happens when an old router interferes with receive window autotuning?

Microsoft knowledge base article 947239 states: "When the Receive Window Auto-Tuning feature is enabled for HTTP traffic, older routers, older firewalls, and older operating systems that are ...
4
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1answer
56 views

How can I adjust my router to allow my ISP's full speed?

My ISP advertises 100+ Mbps download speeds. I have only been getting about 25 Mbps, so I contacted a support agent and was told that if I'm connecting through a router, there might be something ...
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0answers
8 views

How to find maximum amount of requests for a file with a certain utilization percent?

Suppose that a cache at the router is satisfying 60% requests for files from server. What is the maximum amount of requests for a file of 96,000 bytes that can be satisfied from the LAN if a 100 Mbps ...
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0answers
77 views

Kali Linux 1.0.9 wireless not detected, even after drivers installed

I'm using Kali Linux 1.0.9 64 bits in VM. My laptop : ASUS N76V. Lan device : Atheros AR8161/8165 PCI-E Gigabit Ethernet Controller (NDIS 6.20) [Working] ifconfig eth0 Link encap:Ethernet ...
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0answers
15 views

DNSSEC- Client software

I'm interested in running DNSSEC, not sure how this works. Does DNSSEC need to be supported both on the client and server. I currently have DNSSEC on my domain hosting site and the VPS server but if ...
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1answer
80 views

How does Windows choose between multiple available internet connections?

If multiple connections are available to Windows, for example a USB-connected wireless dongle and a WiFi connection, and both have internet access, how does Windows choose which connection to use for ...
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2answers
28 views

email - Can running your own authoritative DNS server mask a dynamic IP hosted email server from being blacklisted?

I'm running my own email server on my ISPs dynamic IP range which is blacklisted. So when I send mail to certain mail server my email is block. When I run the same setup in a VPS, I'm not on any ...
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0answers
21 views

My ISP limits the speed for all Websites except one

I have a 512kbps adsl2+ connection but I only receive about 230kbps. QoS reserve is limited to 0 on my pc. But for https://dl.google.com (123.176.0.84:443) , I recieve about 512kbps. So is there any ...
2
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0answers
40 views

Port Forwarding on Router using same internal port number on different IP addresses

The objective that I'm trying to achieve is to be able to connect to two computers that are behind the router using RDP. My logic is that I should be able to connect to the router externally on 2 ...
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0answers
14 views

Access local resource through router

I'm using Prolink PRN3001 router for internet access. My PC (running Windows 8.1 Pro) is connected through wire with the router. I can access the router configurations through 192.168.123.254. When I ...
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0answers
16 views

Dual internet connection linux and priorities

I have a raspberry Pi (running raspbian) connected both with an 3g dongle and a lan connection. I want to use the 3g dongle when possibe, but it's a bit unstable and sometimes it get disconnected. If ...
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1answer
16 views

Using another server as a gateway

I have a server set up off site and I want to VPN it to another site. Problem is we can only have 2 VPN connections at once. Is there a way to configure one server to be connected by VPN and tell all ...
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24 views

assign multiple ips to a network interface card so as to route some programs through a vpn in ubuntu

I have a home server with several programs with web interfaces running on it. I want to access all these web interfaces from outside my local network. I also have a program I want to go through a ...
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0answers
19 views

How does a workload from network connections get split among servers? [closed]

For example Google (which is obviously a very large scale example). How does Google have thousands of PC's that take connections on a single domain name? and how can work be balanced between the ...
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1answer
26 views

Cannot connect Ubuntu to network

I recently moved and am having a few issues setting up my network. I have a Raspberry Pi, a Win8.1 laptop, and an Ubuntu desktop. My RPi and laptop connect to the router/modem combo via Ethernet and ...
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32 views

Microsoft Virtual Wi-Fi Hosted Network

I have a computed connected to the internet via a wired connection, and it has a Wi-Fi adapter. I want to turn that into a hotspot so I can connect my cellphone / netbook to the internet through it. ...
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0answers
14 views

Create bridge (eth0-wlan0) using my laptop

Okay. I might be asking this again but none of the answers solved my problem. I have a PC A which has eth0 (192.168.1.28/24) connected to another machine B's eth1 (192.168.1.11/24). A has another ...
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0answers
19 views

Is there any way to persist the usage stats of a router even if it reboots due to power failure?

I have a router (Tp-Link WR841N) for home use. I need to be aware of how much bandwidth is used in a particular time period(for example- a month) to avoid data caps applied by ISP. I can monitor my ...
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1answer
40 views

What is the virtual equivalent of physically connecting 2 NICs that are on separate devices

I am looking to set up a small test bed on VMware ESXi. It would have a Firewall VM with multiple interfaces and some Desktops and Server VMs behind that firewall. My experience until now has been ...
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0answers
22 views

VMWare Player bridged guests can't see host on network

I have a Windows 7 Ultimate 64-bit machine running 3 VM's on VMWare Player 6.0.3. The host is not able to communicate with the guest machines, however the guests are able to communicate with all other ...
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2answers
63 views

Why does my Windows 7 always take one default route?

I've been looking all around but without success. I have a "freebox" (a box given by my ISP) and the two PCs use it to connect to Internet. Its IP is 192.168.1.254. Here's my problem: I have 2 PCs: ...
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0answers
40 views

How can I enable the wireless access in Lenovo?

In a Lenovo G585 with Windows 8 installed I can not connect to WIFI networks. I see that there is no button to turn on the WIFI. After googling I found that Lenovo's don't offer such a button and I ...
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0answers
18 views

Laptop cannot find others devices on network

My laptop (1) cannot find the others devices on network such as pc1 and pc2 , but laptop 2 can find them . How can I connect it to the network ?
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0answers
9 views

N600 Wireless Dual Band Router (WNDR3400) Connection

I'm trying to change the base router (AON Speedtouch) with my N600 - WNDR3400. According to N600 WLAN-Router, I should be able to use DSL as Internet input. When I put the cable in the internet port ...
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0answers
9 views

Can you add a proxy exception with an exception?

Is there a way to add an proxy exception with somewhat of a case match so to speak? so say I want to allow all https, I would use: https://* but I dont want it to apply to https://testsite.com ...
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1answer
41 views

Windows [not firewall] ignores incoming packets

I've got a lenovo ThinkPad T61 running Microsoft Windows Vista Home Basic, and I'm having issues with WiFi. By monitoring network traffic from another computer, I can see that WPA-PSK authentication ...
2
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0answers
72 views

Mac OS X Force Internet Sharing Traffic Through Proxy

I have Internet Sharing set up on my Mac OS 10.9.5 machine, sharing my Ethernet connection to any devices connected to the created Wi-Fi hotspot. I'm looking for a way to force all that traffic ...
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0answers
22 views

Forcing local IP traffic over cable only works for a few seconds

I have a machine with three network devices (eth0 - eth2) with eth1 and eth2 connected together via a network cable. I access the system via ssh using eth0. eth0 is on one ip range 10.87.3.x and ...
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0answers
32 views

How to have two different nameservers for the same dns?

I am building my own server at home. My internet provider told me that since I am using optical fiber I cannot have a fixed IP address, but they allowed me to have a dns that would always point to my ...
2
votes
1answer
38 views

Is forwarding to port 9 (discard) essentially the same as blocking a port?

My router (Linksys WRT1900ac) seems to leave port 4567 open, as discussed in this question. I'd like to block that port. Unfortunately I see no easy way in the Linksys admin console to simply drop ...
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0answers
21 views

Wifi says it's connected, but refuses to work on WIN8

I have a major issue, and once again, I have turned to the lovely people here at superuser to help me. Here's my problem: I have a HP ENVY with a fresh copy of Windows8 running on it. When I'm at my ...
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0answers
15 views

Connected devices

I have several devices connected to my Network. At the moment, 2 x Access points connected by ethernet (plugged into 2 network points), 1 x IPod and 1 x PC connected by WiFi. When I query the ...
2
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1answer
48 views

If my DSL modem leaves a port open, how vulnerable is my router?

Port scans of my old Netgear router showed that port 4567 was open. I assumed my router was to blame. Now port scans of my new Linksys router show the same open port, which makes me think my DSL modem ...
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0answers
9 views

Routing home network traffic via firewall, and falling back to adsl router if firewall is not online

I'm planning to install a home firewall (pfsense) with a few modules (including a cache proxy) in a virtual machine in a home server. The firewall will be connected to a home type adsl modem/router. I ...
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0answers
26 views

Why can I only conect to my LAN computers through my public IP address? [closed]

I have a linux computer that has SSHD running on port 17000. I can only connect to it through my networks public IP address, which means that I have to create some firewall rules on the router, in ...
1
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1answer
44 views

Two computers in home network losing connection

So, I have two Windows computers, both in my Home Network. One of them acts like a server - it has a shared folder and the other one should be able to access it at all times. Mostly, this works ...
0
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1answer
23 views

Prevent unauthorized network connection

Can another computer (connected to Network B) gain access to my computer (connected to Network A through wifi) via any means? How can I protect myself from such unauthorized connections? I have the ...